140409160

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2719}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 316281600

約数和(自身を除く): 175872440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 2719, 5164, 5438, 6455, 10328, 10876, 12910, 13595, 21752, 25820, 27190, 51640, 54380, 108760, 3510229, 7020458, 14040916, 17551145, 28081832, 35102290, 70204580, 140409160]

約数ペア:

[(1, 140409160), (2, 70204580), (4, 35102290), (5, 28081832), (8, 17551145), (10, 14040916), (20, 7020458), (40, 3510229), (1291, 108760), (2582, 54380), (2719, 51640), (5164, 27190), (5438, 25820), (6455, 21752), (10328, 13595), (10876, 12910)]